EP1458587A1 - Method and device for regulation of the torque after a change in load for hybrid vehicles - Google Patents
Method and device for regulation of the torque after a change in load for hybrid vehiclesInfo
- Publication number
- EP1458587A1 EP1458587A1 EP02792598A EP02792598A EP1458587A1 EP 1458587 A1 EP1458587 A1 EP 1458587A1 EP 02792598 A EP02792598 A EP 02792598A EP 02792598 A EP02792598 A EP 02792598A EP 1458587 A1 EP1458587 A1 EP 1458587A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- torque
- drive
- drive torque
- electric motor
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008859 change Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000033228 biological regulation Effects 0.000 title abstract description 3
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/09—Engine drag compensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/26—Wheel slip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the invention relates to a method for controlling .. the drive torque after a load change ' in hybrid vehicles, in which the drive torque is influenced during a load change by a brake slip resulting from the load change on the drive wheels of the hybrid vehicle already in the phase of its creation is counteracted in such a way that an effect on the lateral guidance and thus on the stability of the hybrid vehicle when driving is eliminated, and a device for carrying out the method for regulating the drive torque after a load change.
- the drive wheels may slip due to a load change due to the engine drag torque.
- the lateral guidance of the motor vehicle thereby decreases and the motor vehicle becomes unstable. It is therefore necessary to reduce the brake slip as quickly as possible.
- an engine Drag torque control to regulate the engine torque automatically so that the brake slip disappears as quickly as possible.
- the known traction control systems always have the disadvantage that the traction control system is not only inadequately controlled. is understandable, but the engine adjustment is always associated with a significant time factor, so that overall a certain time course of the drive torque reduction is not achieved.
- a system for traction control for hybrid vehicles is already known, by means of which the disadvantages inherent in traction control systems used in conventional motor vehicles are avoided.
- This is achieved through a drive system with traction control; in which the electric machine is designed in such a way that it reduces drive slip by reducing the drive torque of the drive unit, which is achieved by braking action and / or by clutch slip action in the case of an electrical machine acting as a clutch. if a limit value of the drive slip is exceeded. If there is a resultant condition, the drive torque acting on the drive wheels is reduced in this system for traction control by means of the electrical machine.
- the invention creates a method and a device for regulating the drive torque after a load change in hybrid vehicles, by using the method and the device as quickly as possible then is increased if the drive wheels have brake slip as a result of a load change, so that the lateral guidance of the hybrid vehicle is retained even during a load change and the hybrid vehicle thus maintains its stability when driving.
- the target drive torque is calculated and this is predefined for a drive control in which the target torque for the internal combustion engine and the target torque of the electric motor or motors is determined by an algorithm for the operating strategy and the the target torque of the electric motor or motors sets the target drive torque if the target drive torque is less than or equal to the maximum possible drive torque of the electric motor or motors at the current operating point.
- a prerequisite for equating the setpoint torque of the electric motor (s) with the setpoint drive torque is that a query of the state of charge of the battery has shown that it is sufficiently charged.
- the electric motor or motors are controlled in such a way that the target torque assigned to them is equal to the maximum possible drive torque of the current operating point or is the electric motor while the internal combustion engine is being controlled such that the target torque assigned to it is equal to the target drive torque minus the maximum possible drive torque of the electric motor or motors at the current operating point.
- the electric motor (s) are already fully energized at the start of the load change by making their lead value equal to the maximum possible drive torque at the current operating point of the electric motor (s) is set. If the engine drag torque control then specifies an increase in the drive torque, the excitation of the ' or the electric motors are built. It should be taken into account that a load change is recognized, for example, by the fact that the accelerator pedal value decreases rapidly or that a transmission shift is triggered.
- the intended by the invention effects the advertising achieved by applying the 'method of the invention not only in hybrid vehicles with two-wheel drive, but also for hybrid vehicles with all-wheel drive.
- a device in which a wheel speed sensor that detects the speed of the drive wheels is assigned to each of the drive wheels, the wheel speed sensors being operatively connected to a wheel control in such a way that brake slip can be detected after a load change if the wheel control is over Signals generated by the wheel speed sensors • Receives information about a brake slip, the wheel control being able to calculate the target drive torque of the hybrid vehicle, which it specifies for a drive control system in which both the target and torque for the internal combustion engine and the target torque for the electric motor (s) can be determined.
- the drive control can be used to set the desired torque of the electric motor (s) equal to the desired drive torque after querying the state of charge of the battery and determined sufficient state of charge
- M EM _ Ma ⁇ is the maximum possible drive torque of the electric motor (s) at the current operating point.
- the drive control of the device can control the or the electric motors in such a way that their desired torque is equal to the maximum possible drive torque at the current operating point and the internal combustion engine can be controlled such that its desired torque
- V VMM X ⁇ M ⁇ M M S S R R >: - ⁇ " M t l'EM Max
- the device ensures that the electric motor (s) are fully excitable at the beginning of a load change by their lead value
- a hybrid vehicle with two-wheel drive in which an electric motor 2 is provided in addition to the internal combustion engine 1. Both the internal combustion engine 1 and the electric motor 2 are connected to the drive wheels 4, 5 of the hybrid vehicle via a transmission 3. in operative connection.
- a motor controller 6 is assigned to the internal combustion engine 1 and a converter 7 is assigned to the electric motor 2.
- the internal combustion engine 1 brings a torque M VM (signal 18) and the electric motor 2 brings a torque M EM (signal 19) into the drive train.
- the target drive torque M MSR X (signal 14) of the hybrid vehicle of the drive control 11 is specified by the wheel control 10, in which both the target torque V X (signal 15 ) for the internal combustion engine 1 as well Target torque M EM X (signal 16) for the electric motor 2 is determined.
- the state of charge of the battery (not shown in the block diagram) is queried by the drive control 11. If this query has shown that the battery is sufficiently charged, the drive controller 11 sets the target torque M EM X of the " electric motor 2 to the target drive torque M MSR X if the target drive torque M M ⁇ R X is less than or equal to that in the current operating point is the maximum possible drive torque M EM _ Max of the electric motor 2. If the drive control 11 determines that the condition
- the drive control 11 controls the electric motor 2 in such a way that its target torque M EM X is equal to the maximum possible drive torque M EM _ Max at the current operating point.
- the internal combustion engine 1 is activated if the condition is not met
- the electric motor 2 should always be fully excited at the start of a load change by the lead value M EMV ⁇ r X (signal 17) of the setpoint torque M EM X of the electric motor 2 being equal to the maximum possible drive torque M EM at the current operating point _ Ma is set. If the motor drag torque control, which is also not shown in any other way, then specifies an increase in the drive torque, it is not necessary to first build up the excitation of the electric motor 2. Thus, the electric motor 2 is already energized and its response time is very short when it has to apply the drive torque if brake slip occurs on the drive wheels 4, 5 as a result of a load change.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10163208 | 2001-12-21 | ||
DE10163208A DE10163208C1 (en) | 2001-12-21 | 2001-12-21 | Regulating hybrid vehicle drive torque following load change, involves applying drive torque via electric motor(s) of hybrid vehicle if braking slip occurs in drive wheels as result of load change |
PCT/DE2002/004194 WO2003055713A1 (en) | 2001-12-21 | 2002-11-13 | Method and device for regulation of the torque after a change in load for hybrid vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1458587A1 true EP1458587A1 (en) | 2004-09-22 |
EP1458587B1 EP1458587B1 (en) | 2005-11-09 |
Family
ID=7710339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02792598A Expired - Lifetime EP1458587B1 (en) | 2001-12-21 | 2002-11-13 | Method and device for regulation of the torque after a change in load for hybrid vehicles |
Country Status (5)
Country | Link |
---|---|
US (1) | US7400962B2 (en) |
EP (1) | EP1458587B1 (en) |
JP (1) | JP4065433B2 (en) |
DE (2) | DE10163208C1 (en) |
WO (1) | WO2003055713A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004022892A1 (en) * | 2004-05-10 | 2005-12-08 | Adam Opel Ag | Method for compensating a dynamic axle load shift |
DE102004036581A1 (en) * | 2004-07-28 | 2006-03-23 | Robert Bosch Gmbh | Method for operating a hybrid drive and apparatus for carrying out the method |
DE102005060858A1 (en) * | 2005-12-20 | 2007-06-28 | Robert Bosch Gmbh | Method for operating a hybrid vehicle |
DE102010021984B4 (en) * | 2010-05-29 | 2020-02-06 | Audi Ag | Motor vehicle and method for operating an electrical machine in a motor vehicle |
DE102010051979B3 (en) | 2010-11-19 | 2012-03-29 | Audi Ag | Vehicle, in particular hybrid vehicle |
DE102012210328A1 (en) * | 2012-06-19 | 2013-12-19 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle stabilization for a hybrid vehicle with brake slip of the drive wheels or increased risk for this |
CN105358686A (en) | 2013-07-29 | 2016-02-24 | 诺维信公司 | Protease variants and polynucleotides encoding same |
EP3339436B1 (en) | 2013-07-29 | 2021-03-31 | Henkel AG & Co. KGaA | Detergent composition comprising protease variants |
KR101745259B1 (en) * | 2016-04-15 | 2017-06-08 | 현대자동차주식회사 | Control method of power train for hybrid vehicle and control system for the same |
CN112455447B (en) * | 2021-01-28 | 2021-05-14 | 天津所托瑞安汽车科技有限公司 | Vehicle antiskid control method and device, electronic equipment and medium |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03159502A (en) * | 1989-11-14 | 1991-07-09 | Toyota Motor Corp | Four-wheel drive vehicle |
DE19549259A1 (en) * | 1995-08-31 | 1997-03-06 | Clouth Gummiwerke Ag | Drive system, in particular for a motor vehicle, and method for operating the same |
JPH1094110A (en) * | 1996-09-17 | 1998-04-10 | Toyota Motor Corp | Hybrid vehicle control device |
JP3853907B2 (en) * | 1997-03-21 | 2006-12-06 | トヨタ自動車株式会社 | Drive control device for electric vehicles |
JP3502768B2 (en) * | 1998-06-30 | 2004-03-02 | 日産ディーゼル工業株式会社 | Vehicle brake system |
JP3585798B2 (en) * | 1999-12-24 | 2004-11-04 | 本田技研工業株式会社 | Driving force control device for four-wheel drive vehicle |
JP3896240B2 (en) * | 2000-03-24 | 2007-03-22 | 住友電工ブレーキシステムズ株式会社 | Control method of regenerative cooperative brake system |
JP2002104156A (en) * | 2000-09-27 | 2002-04-10 | Toyota Motor Corp | Braking/driving force control device for vehicle |
JP3807232B2 (en) | 2001-02-02 | 2006-08-09 | 日産自動車株式会社 | Hybrid vehicle control system |
US7163480B2 (en) * | 2001-05-03 | 2007-01-16 | Ford Global Technologies, Llc | Powertrain for a hybrid vehicle with all-wheel drive capability and method for controlling wheel slip |
US20050151420A1 (en) * | 2001-05-07 | 2005-07-14 | Dale Crombez | Hybrid electric vehicle powertrain with regenerative braking |
-
2001
- 2001-12-21 DE DE10163208A patent/DE10163208C1/en not_active Expired - Fee Related
-
2002
- 2002-11-13 DE DE50204904T patent/DE50204904D1/en not_active Expired - Lifetime
- 2002-11-13 JP JP2003556264A patent/JP4065433B2/en not_active Expired - Fee Related
- 2002-11-13 WO PCT/DE2002/004194 patent/WO2003055713A1/en active IP Right Grant
- 2002-11-13 US US10/468,661 patent/US7400962B2/en active Active
- 2002-11-13 EP EP02792598A patent/EP1458587B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03055713A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005513995A (en) | 2005-05-12 |
DE10163208C1 (en) | 2003-05-15 |
DE50204904D1 (en) | 2005-12-15 |
JP4065433B2 (en) | 2008-03-26 |
US20040117101A1 (en) | 2004-06-17 |
WO2003055713A1 (en) | 2003-07-10 |
US7400962B2 (en) | 2008-07-15 |
EP1458587B1 (en) | 2005-11-09 |
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